
Heidi Harris
Partner

Partner
Heidi has the experience and insight to understand that every client has a unique story and to develop tailored strategies with those stories in mind.
Heidi joined MSSG as partner after more than twenty-five years with one of Manhattan’s most elite matrimonial and family law firms. She represents clients in complex matrimonial matters involving equitable distribution, custody disputes, child and spousal support, prenuptial and postnuptial agreements, and appeals.
A skilled settlement negotiator, Heidi has tried cases in both New York Supreme and Family Courts. After three decades as a matrimonial lawyer, Heidi has the experience and insight to understand that every client has a unique story and to develop tailored strategies with those stories in mind.
New York
Connecticut
District of Columbia
Hofstra University School of Law, J.D.
State University of New York at Binghamton, B.A.
American Academy of Matrimonial Lawyers, New York Chapter
New York Chapter Board of Managers (2011-17); (2019-21)
Vice President, New York Chapter, (2014-16)
American Bar Foundation
American Bar Association Family Law Section
Vice President, New York Chapter, (2014-16)
New York Chapter Board of Managers (2011-17)
New York State Bar Association Family Law Section
New York City Bar Association
International Academy of Family Lawyers
Named Top Rated Family Law Attorney by Super Lawyers New York (2009-present)
Named to the Lawdragon 500 Leading Family Lawyers in the U.S. (2020; 2024)
Named among the Top 50 Women Lawyers in New York City (2011–2012)
Recognized in The Best Lawyers in America® for Family Law (New York City) (2025–2026)
Martindale-Hubbell AV Preeminent,® Peer Review Rating. This is the highest possible attorney peer review rating in both legal ability and ethical standards.